Table 1:
Aflatoxin contents of rice samples before and after treatment with aqueous citric acid regarding to the MTL levels of Iranian (30 ppb) and EU (4 ppb) standards for AFT
| Particulars | Aflatoxin fluorescence strengtha | Detoxification rate (%) b | ||
|---|---|---|---|---|
|
| ||||
| No. of Samples | Total (ppb) | Post-reaction (ppb) | ||
| Aflatoxin level 1 (<30) | 208 | 1.13 ± 1.16 | NDc | 100 |
| Aflatoxin level 1 (<4) | 202 | 0.99 ± 0.76 | NDc | 100 |
| Aflatoxin level 2 (≥30) | 3 | 86.33 ± 5.73 | 2.85 ± 0.28 | 97.22 |
| Aflatoxin level 2 (≥4) | 9 | 32.76 ± 38.05 | 2.85 ± 0.28 | 97.22 |
a:
Mean ± Standard deviation
b:
Measured as loss of fluorescence
c:
Not detected